Home / 8,889.18-12,252.69-6,757.62

Finding the Fourth Proportional to 8,889.18, 12,252.69 and 6,757.62

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Solution

The fourth proportional to 8,889.18, 12,252.69 and 6,757.62 is: 9,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.18 : 12,252.69 = 6,757.62 : x
  2. Step 2: Convert to fraction form
    8,889.18/12,252.69 = 6,757.62/x
  3. Step 3: Cross multiply
    8,889.18x = 12,252.69 × 6,757.62
  4. Step 4: Simplify right side
    8,889.18x = 82,799,023.00
  5. Step 5: Solve for x
    x = 82,799,023.00/8,889.18
  6. Step 6: Final answer
    x = 9,314.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.